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umodelnut

Pedigreed Bulldog
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Posts posted by umodelnut

  1. R means its an R model, the 6 means its an R600, the 86 means it had a 300 Mack motor from the factory, the ST means tandem rear end. Then 28431 means its the 18431st R686ST made. You just subtract the number in the beginning by 1 because Mack began their serial numbers with 1.

    Someone will correct me if im wrong but I think I got it.

  2. Man o man! thats quite the impressive piece of equipment right there! Thanks for posting the pics Rob! there was an outfit up in central Jersey,that ran a fleet of B-model wreckers and roll-backs for many years,all totally re-built working trucks,i believe they have since went out of business,because i've seen at least one of their B-67's turn up for sale on here sometime back...........Mark

    Just noticed theres a U model behind that B model tow truck Mark.
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